Gaya APA

Nurpahmi, S. (2013). An Introduction to English for Specific Purposes (Cet. 1). Makassar: Alauddin university press.

Gaya MLA

Nurpahmi, Sitti. "An Introduction to English for Specific Purposes". Cet. 1 Makassar: Alauddin university press, 2013. Text.